function Rankicon(){
x = document.getElementsByTagName('span')
for(y=0;y<x.length;y++){
var oldHTML = x[y].innerHTML;
if ((x[y].style.color=="rgb(0, 71, 250)")||(x[y].style.color=="#0047FA")) {icon = "<img src='http://forum.rgame.vn/images/ranks/canhsat.png'>";x[y].innerHTML = icon + oldHTML;}
}
}
Rankicon();